Home / 51.64-77.47-25.97

Finding the Fourth Proportional to 51.64, 77.47 and 25.97

Calculator

Solution

The fourth proportional to 51.64, 77.47 and 25.97 is: 38.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.64 : 77.47 = 25.97 : x
  2. Step 2: Convert to fraction form
    51.64/77.47 = 25.97/x
  3. Step 3: Cross multiply
    51.64x = 77.47 × 25.97
  4. Step 4: Simplify right side
    51.64x = 2,012.02
  5. Step 5: Solve for x
    x = 2,012.02/51.64
  6. Step 6: Final answer
    x = 38.96

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.